Conditional Probability Question Solved with a Venn Diagram

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In this video we show how to answer a Maths Studies Standard Level IB question on conditional probability, which we solve using a Venn Diagram, rather than the conditional probability formula. This is a great maths practice / maths revision question. It is also good practice for those looking to take GMAT or GRE exams.

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Another headache! Thankfully it was very well explained!!! It was very easy to understand!

brendancanastra
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Presentation was great. Now I undestand! Thanks!

o.kgaming
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So u sayin that we should always use venn diagram not formula to do conditional probability qn?

bonzobobajob